Carousel Recoiler Dummy Mandrel – Coupled Pickle Line and Cold Mill

Introduction

DesignX Consulting was engaged by a major Australian steel manufacturer to provide specialized engineering drafting services for the Carousel Recoiler Dummy Mandrel project. This initiative focused on developing detailed 3D models and 2D drawings to facilitate the manufacturing and machining of various replacement components for the mandrel assembly.

 

3D model view of Mandrel Assembly


Project Scope

  • 3D Modeling: Comprehensive 3D Inventor models were created for key components including the Main Segment, Sub Segment, Main Block Shoe, Sub Block Shoe, Main Segment Liner, Mandrel Retainer, Shifting Yoke, Mandrel Bush, Mandrel Cap, Wedge Rod, and Mandrel Shaft. These models included modifications for workshop setup and segment machining. An assembly model was developed incorporating all proprietary parts as specified in the original supplier drawings, ensuring accurate representation of the final assembly.

    2D Drafting: Detailed 2D manufacturing drawings were produced for the modified Wedge Rod and Mandrel Shaft, providing clear instructions for machining. A comprehensive 2D assembly drawing of the Dummy Mandrel was created, complete with balloon callouts and a Bill of Materials (BOM) for all parts necessary for setup, aiding in the machining process.


3D sectional model view of Mandrel Assembly

Conclusion

This project not only enhanced the precision and efficiency of the manufacturing process for the Carousel Recoiler Dummy Mandrel but also allowed for accurate offsite manufacture and precise machining of mandrel segments, enabling the replacement of worn-out components on the in-service mandrel with minimal downtime.

 

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